Παραπομπή APA

Gupta, P. . C. (2015). Cryptography and network security. PHI learning private limited.

Παραπομπή Chicago Style

Gupta, Prakash C. Cryptography and Network Security. Delhi: PHI learning private limited, 2015.

Παραπομπή MLA

Gupta, Prakash C. Cryptography and Network Security. PHI learning private limited, 2015.